Product details:

The AquaKing Trident NG 4.4 GPM, 70,000 BTU Natural Gas Condensing Tankless Water Heater is designed to supply continuous hot water for up to 2 bathrooms at the same time. It heats water only when it's needed and features a 0.94 energy factor. It utilizes a digital thermostat that can be easily set by any member of the house. This heater's low temp vent design utilizes an included stainless steel horizontal vent (included in purchase price) or 2 in. PVC/CPVC and allows for the maximum in venting possibilities among all Tankless Water Heaters. This model can be at elevations up to 9,840 ft. above sea level.